International
Chess Federation
| Event code | 441681 |
| Tournament Name | Campeonato Preferente de Euskadi - Zonal de Bizkaia 2025 Rondas 4-6 |
| City | Bilbao |
| Country | ESP |
| Number of players | 20 |
| System | s |
| Hybrid | NO |
| Category | 0 |
| Start Date | 2025-11-08 |
| End Date | 2025-11-22 |
| Date received | 2025-11-29 |
| Date registered | 2025-09-14 |
| Type | |
| Time Control | Standard: 90 minutes with 30 second increment from move 1 |
| Zone | |
| Chief Arbiter | Almansa Martin, Miguel Angel (ESP) |
| Chief Organizer | |
| Organizer | |
| PGN file | |
| Orig.Report | View |
| View Report | Rated for December 2025 as Standard |
More information: The full list of tournaments received from Spain for December 2025